.\"	$OpenBSD: nfsstat.1,v 1.15 2014/01/19 18:36:43 jmc Exp $
.\"	$NetBSD: nfsstat.1,v 1.8 1996/03/03 17:21:28 thorpej Exp $
.\"
.\" Copyright (c) 1989, 1990, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"     from: @(#)nfsstat.1	8.1 (Berkeley) 6/6/93
.\"
.Dd $Mdocdate: January 19 2014 $
.Dt NFSSTAT 1
.Os
.Sh NAME
.Nm nfsstat
.Nd display NFS statistics
.Sh SYNOPSIS
.Nm nfsstat
.Op Fl cs
.Op Fl M Ar core
.Op Fl N Ar system
.Op Fl w Ar wait
.Sh DESCRIPTION
.Nm
displays statistics kept about NFS client and server activity.
If neither
.Fl M
nor
.Fl N
option was specified statistics will be obtained from the running system
by calling
.Xr sysctl 3 .
Otherwise the specified core and system will be used to fetch
data by means of
.Xr kvm 3 .
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl c
Display client statistics only.
.It Fl M Ar core
Extract values associated with the name list from the specified core
instead of the default
.Pa /dev/kmem .
.It Fl N Ar system
Extract the name list from the specified system instead of the default
.Pa /bsd .
.It Fl s
Display server statistics only.
.It Fl w Ar wait
Display a shorter summary of NFS
activity for both the client and server at
.Ar wait
second intervals.
.El
.Sh FILES
.Bl -tag -width /dev/kmem -compact
.It Pa /bsd
default kernel namelist
.It Pa /dev/kmem
default memory file
.El
.Sh SEE ALSO
.Xr fstat 1 ,
.Xr netstat 1 ,
.Xr ps 1 ,
.Xr systat 1 ,
.Xr kvm 3 ,
.Xr sysctl 3 ,
.Xr iostat 8 ,
.Xr pstat 8 ,
.Xr vmstat 8
.Sh HISTORY
The
.Nm
command appeared in
.Bx 4.4 .
